. >>> ahead of the inauguration the library of congress has president abraham lincoln's bible on display for the swearing in ceremony. the other bible belonged to martin luther king, jr. president harry truman used two bibles for his swearing in in 1949. it was also the first inauguration that was televised. the men we met today didn't have to watch it on tv. they lived it. here's fox 5's beth parker. >> reporter: these three guys have some stories to tell. they didn't just witness history. they were part of it. >> we were there because we had to be there. >> reporter: they joke a lot, but this was serious business. in 1949 gray parks and scott shipe were west point cadets. >> i, harry s. truman, do solemnly swear. >> reporter: they took a train to union station for president truman's inauguration, even marched in the parade. >> it was quite an honor to be in the parade. >> reporter: jim upp was a 16- year-old d.c. boy scout assigned the duty of helping line the inaugural parade route. >> it was fun because you had the best eye view of the whole parade as it came by. >> reporter: it's in